He is the only voice on the show which can provide the viewpoint of a married man.

The only voice of humanity came from the woman in the parking lot.

His, of course, was not the only voice calling for a new morality.

At any rate, it seems the only appropriate voice to use for some parts.

It was the only voice he had heard for a decade.

"The fire will eat it to the end, I think," she said in the whisper which was the only voice left her.

The only female voice, so that was the court reporter.

The last thing you want is for yours to be the only voice.

"The only voices being heard are the negative ones," he said.

For them, the only voice they need to listen to is that of their shareholders.